Printing-telegraph projecting machine



W. J. KAHL. PRINTING TELEGRAPH PROJECTING MACHINE. APPLICATION FlLED FEB. 9, I920.

1,43%25Q Patented 0st. 17, 1922,

6 SHEETSSHEET 1.

, W1 2. KAHL.

PRINTING TELEGRAPH PROJECTlNG WlACHlNE.

APPLICATION man FEB. 9, 1920. 1 4E32 Q5Q Patentefl (m, 17 1922.,

e SHEETSSHEET 2.

WITNESS; fimwf W. J. KAHL. PRINTING TELEGRAPH PROJECTING MACHINE.

ABPLICAHON FILED FEB. 9. 1920.

Lw gmo Pabented (m 11.7, 1922,

6 SHEETSSHEET 3.

WITNESS: qua a W W. J. KAHL;

PRINTING TELEGRAPH PROJECTING MACHINE. APPLICATION FILED FEB.9,1920.

1,432,250., Patented Oct. 17, 1922.

6 SHEETSSHEET 4.

W. J. KAHL.

PRINTING TELEGRAPH PROJECTING MACHINE.

APPLICATION FILED FEB. 9, 1920.

1L Akmfiwo Patented Oct. 17,1922,

6 SHEETSSHEET 5.

WITNESS: I I, NTOR. gzjm 2Q W. J. KAHL.

PRINTING TELEGRAPH PROJECTING MACHINE. APPLICATION FILED FEB. 9, 1920.

Patented 00k 117, 19220 6 SHEETS-SHEET 6.

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Patented @ct. 17, 1922.

warren STATES" warren 3. xx, on NEW roan, n". Y.

PRINTING-TELEGRAPH IPRQJ'ECTING MACHINE.

Application filed February 9, 3920. Serial No. 357,230.

To all whom it may concern:

Be it known that I, WALTER J. KAHL, a citizen of the United States, residin in the city of New York, county of Bronx, tate of New York, have invented a certain new and useful Improvement in Printing-Telegraph Projecting Machines, of which the following is a specification.

My invention lies in the novel assemblage and construction of a machine and device for automatically enlarging, displaying and projecting on a sheet the news which is telegraphed and printed by the commonly known news ticker and stock quotation ticker. The printing telegraphs now in use allow but six or eight persons to crowd about the news ticker to learn of results in electionof public oflicers, world series baseball contests, sporting news, stock exchange information and matters of intense public interest, more than that number of persons cannot possibly see the printed tape at the same time. ll have contrived a machine and device which will automatically enlarge and display the news to hundreds or thousands of people just as it leaves the news ticker. The machine described herein provides for a back projection to a screen attached to the front portion of the container or encasement. Its utility is very apparent in that the machine can be used in the offices of stock brokers and displayed to an audience of customers in place of the quotation board now in use. It can take the lace of hand printed bulletin boards in ont of newspaper officers and probably serve a useful accomplishment in clubs and hotels. -By arranging the combined elements for a long throw front projection to a screen at a distance from the machine, instead of the short throw back projection herein described, the current news can be displayed to a theatre audience of two thousand people in conjunction with a regular theatrical or moving picture performance. A screen small or large could be placed at the side of the stage and the machine automatically operated by telegraphic impulses for a long throw front projection from the rear of-the theatre. In this way it could serve a novel, economical and useful purpose; for example, in the general election of public oflicers it would eliminate the necessity of having an operator continuously consult the news ticker, prepare slides, insert a1 1 project them in a projecting apparatus only to repeat the operation over and over again. My invention allows for the news to be automatically enlarged and projected just as it leaves the printing telegraph.

I My invention is an im rovement in printmg telegraph bearing atent No. 581,411, granted April 27, 1897, and No. 680,693, granted August 20, 1901, and other or slmilar telegraph recording instruments, in that the improvement provides for a method and device for automatically preparing and produc ng a perforated tape to be used for pro ectlng to a screen. The general object of this invention, however, is to provide a machine or device for automatically displaymg and enlarging on a screen perforated impressions made on a tape or strip of paper by the type wheels of the printing telegraphs which strip of paper is guided and caused to continuously move into the path of the projection rays of a projecting apparatus or stereopticon. -Any number of such machines could be simultaneously operated by one telegraph operator.

My invention also consists in providing perforating points or needles on the typewheels of the printing telegraph which will pierce holes in the strip of paper ofthe printing telegraph, and through which holes the pro ecting rays will pass, the paper obstructing all other light so that only the perforated characters will be flashed upon the screen. I

It also consists of a means of guiding the perforatedxstrip of paper-before the condensing lens of a. projecting apparatus and automatically and continuously displaying the impression upon a screen. The invention may be contained in a variety of constructions, both front and back projections. that a construction embodying the invention is operative I shall illustrate one of such constructions, namely, a back projection with the screen attached to the front portion of the container or encasement, and shall hereinafter fully describe the same.

Figure 1, is a side elevation of printing telegraph, Patent No. 581,411, issued April 27th, 1897, showing type-wheels etc., on which machine my invention is an improvement.

Figure 2, is a perspective side view of perforating points or needles on the typewheels and platens beneath type-wheels covered with felt or fibrous material, to act as a For the purpose of showing cushion for the needles or perforating points.

Figure 3, is a perspective view showing a portion of the type-Wheel with perforating points or needles forming the characters and letters of the alphabet on the type-wheel.

Figure 4, is an enlarged detailed view of the type-wheels on which the perforating points or needles are attached showing platens beneath covered with felt or fibrous material to act as a cushion for the perforating points or needles, and hammer shifting mechanism.

Figure 5, is a view of one side of the construction showing the container thereof in section and with the printing telegraph omitted.

Figure 6, is a similar view of one side of the construction showing the container thereof in section, and with the printing telegraph with improved attachments placed in a position so as to allow the perforated strip of paper to move in the path of the pro ecting rays.

Figure 7, is a perspective view of the condensing lens infront of which is attached the two strips of glass between which the perforated tape from the printing telegraph passes.

Figure 8, is a plan view of the construction.

Figure 9, is an end elevation of printing telegraph, Patent No. 680,693, issued August 20th, 1901, showing type-wheel, roller platen, etc., upon which my invention is also an improvement.

Similar letters or numbers of reference indicate corresponding parts throughout the figures of the drawings.

Referring to the old structure of printing telegraph shown in Figure 1, and upon which my invention is an improvement, type-wheel t is replaced by type-wheels 'w, portions-of which are shown in Figures 2 and 3. Perforating points or needles p attached to the type-wheels form the various characters and letters of the alphabet and are constructed with points sufiiciently sharp so as to easily pierce holes in the strip' of paper used on the printing telegraph. Frame and roller 1- from which the typewheel on the original machine receives lnk can be entirely dispensed with. Platens 3 and z are partially covered with strips of felt or fibrous material e which serve as a cushion for theneedles or perforating points on the type-wheels. The felt is held in place on the platens y and a by means of two strips of steels, which serve as springs, are riveted or screwed on the platens 3 and z, and have prongs on the inner horizontal portion as shown in Figure 4 and which tend to grasp the felt and hold it in place. The strips of felt may thus be readily replaced when they become worn by reason of being continuousl pierced by the perforatinfi points or nee les.

he operation of the impression taking parts is as follows: The hammer h is normally under either platen y or platen a, and at each printing impulse over the line, is forced against the platen causing the felt on the platen to be driven against the perforating needles of a character or letter on wheels w. The stri of paper passing between the type-Whee s w and platens y and 2 become pierced with small holes by perforating points or needles 1?, which holes form tghe desired character or letter of the alpha- 1, Figuresb and 6, is a container, encasement or cover for closing the parts embodying the invention. It is placed on base 2 which supports the elements containing the invention. The base may be supported by legs 3 or in any other suitable way. A projecting tube 4, containing projecting lenses is ad ustably supported on an ad ustable pedestal 5, which is adjustably supported on a standard 6. The standard 6 is secured to base 2. A. condensing lens 7 is also adjustably supported on the pedestal 8 which is-in turn secured to the base 2. A Nernst glower 9 or other light giving body is supported in line with the lenses for projecting the perforated impressions on the strip 0 paper as they appear in a position of exposure. The glower and its regulating parts are con tained in a tube or cylinder 10. The cylinder is supported on a pedestal 11. Attached to the frame which holds the condensinglens 7 is a metal encasement 12, and to whic are attached two lengthy stripsof narrow glass 13 and 14. The strips of glass are festened to the encasement 12 by means of metal strips 15 and 16, and are further held in place by metal strips 17 and 18; The printing telegraph with the improved attachments heretofore described is horizontally fastened to frame 20 by means of screws, which frame is fastened .to an adjustable pedestal 21 the latter being adjustably supported on the other end of standard 6. The standard 6 is so constructed that i the printing telegraph may be raised to a horizontal position at the side of the condensing lens 7 and on a line. even with the strips of glass 13 and 14, a short distance from the ends of glass strips at 22 and 23. The printing telegraph with the improv attachments heretofore described is so fastened to its supporting frame in a horizontal position as will enable the strip of perforated paper which leaves the printing telegraph to pass directly between strips of lass 13 and 14 and to automatically move. glass mto a position of exposure. '24 the cover of the printing tele raph (designated 7 as g in Figure 1) can be entirely dispensed with or an opemng cut in it near the ends of glass strips 13 and 14 so as to allow the perforated strip of paper to pass from the printing telegraph to the space between glass strips 13 and 14. A roll of black paper should preferably be used on the printing telegraph in order that all the light may be obstructed as the strip passed into a position of exposure before the projecting rays, except the light which passes through the pin holes forming the characters or Words which the type-wheels have perforated in the paper. A screen 25 is made of Irish linen or similar material and is placed against a glass on the front of the container or encasement in line with the projecting lenses and upon which screen the projection is made. Shade 26 can be placed on the outside of the container so that a projection may be made in daylight. In the above described construction the sides of the container can be hinged to base 2 and held in place by catches at the top of the container so that the light, lenses etc. can be readily adjusted.

he construction above described relates to a back projection with the screen attached to the front portion of the container or encasement. If desired a front projection can readily be obtained by dispensing with the screen on the front part of the container and by placing the printing telegraph with the improved attachments on the opposite side of the condensing lens in a reverse position and suitably adjusting the lenses for a long throw.

The invention herein contained may also be readily applied to printing telegraph No. 680,693, issued August 20th, 1901, which prints lines across a page or web and of which a side elevation is shown in Figure 9. Type-wheel a is replaced by a wheel similar in construction to that shown in wheel w of Figures 2 and 3 and the ink roller 71 can be February,

entirely dispensed with. In addition thereto the metal roller platen m is completely covered or encircled with felt or fibrous material to act as a cushion for the perforating points or needles. Two strips of glass the width of the perforated page can be attached in a vertical position to encasement 12, and constructed in a manner similar to that shown in Figures 5, 6 and 7. With these attachments and changes in mechanism, the printing telegraph can be supported in an inverted position above the condensing lens of the projecting apparatus so that the perforated page will fall directly in the path of the projecting rays. As heretofore shown this type of printing telegraph with the, improved mechanism can also be constructed for either a front or back projection.

As above shown the invention is susceptible of many modifications in the construction thereof for which reason I do not limit this specification and the claim to the precise forms of the invention illustrated in the drawings and hereinbefore described.

What I claim as new and desire to se cure by Letters Patent is as follows:

The method herein described which consists in telegraphically receiving and recording'subject matter in a manner suitable for projection, continuously passing the recorded subject matter while receiving to a projecting apparatus, and then in a fixed time relation to the recording, continuously and visibly projecting the subject matter substantially as set forth.

In testimony whereof I have signed my name to this specification, this 6th day of 1920, in the presence of two subscribing witnesses.

WALTER J. KAHL. Witnesses: JOHN P. ()"KEEFE, JOHN J. SULLIVAN. 

